can the mass number affect the biological effectiveness of radiation? how is the mass number used in the study of the biological effects of radiation?

The mass number is approximately equal to the atomic mass, which is the mass of a single atom of a element measured in atomic mass units (amu). The atomic mass ... No, the mass number of an atom is not equal to the number of electrons. The mass number is the sum of the number of protons and neutrons in the nucleus of ... The mass number is equal to the number of protons plus neutrons. In a neutral atom, the number of protons equals the number of electrons. The charge on an ion ... Jan 12, 2018 ... In this video I go over Atomic Number, Atomic Mass, and Mass Number. These are three chemistry terms you'll definitely have to know for you ... It allows us to be able to tell the difference between elements with a different number of neutrons, called isotopes. The mass number is also related to the ... As the number of neutrons in an atom increases or decreases, the isotopes tend to become more and more unstable until they get to the point where they decay ... May 24, 2020 ... ... of an atom. Mass number or atomic mass is equal to the total number of protons and neutrons present in the nucleus. For example, the mass number ... ... equal to 1/12 of the mass of a carbon-12 atom. Atomic number. The number of ... All nuclides with a certain mass number, but a different atomic number ... Jan 17, 2003 ... the mass number, or number of nu- cleons, gives the binding energy ... equal to 2j +1; S gives the number of particles in the shell or ... Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how ...